Physics, 24.06.2021 17:10 kaitlynngrace15
Một ắc-quy có hiệu điện thế giữa hai cực là 12V được mắc vào hai bản phẳng bằng kim loại đặt song song như hình vẽ. Khoảng cách giữa hai bản d = 0,3 cm, đủ nhỏ để xem rằng điện trường giữa hai bản là đều. Độ lớn cường độ điện trường giữa hai bản phẳng bằng:
A. 0,036 V/m B. 36 V/m
C. 4000 V/m D. 40000 V/m
Answers: 1
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What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
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Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.
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Một ắc-quy có hiệu điện thế giữa hai cực là 12V được mắc vào hai bản phẳng bằng kim loại đặt song so...
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